The first day of the main part of the Primavera Sound Festival kicked off yesterday in Barcelona. It featured sets by Animal Collective, Phoenix, Grizzly Bear, Tame Impala, the Postal Service, Deerhunter, Savages, Jessie Ware, Killer Mike, and many more. Photographers Erez Avissar and Tonje Thilesen were there to catch all the action. Check out a selection of shots after the jump, then head over to our slideshow and Facebook page for even more photos.